Concerta and Hypertonia - a phase IV clinical study of FDA data

Summary:

Hypertonia is reported as a side effect among people who take Concerta (methylphenidate hydrochloride), especially for people who are male, 20-29 old, also take Aripiprazole, and have Psychotic disorder.

The phase IV clinical study analyzes which people have Hypertonia when taking Concerta. It is created by eHealthMe based on reports of 20,995 people who have side effects when taking Concerta from the FDA, and is updated regularly.

What is Concerta?

Concerta has active ingredients of methylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 25,040 Concerta users. Check the latest studies of Concerta.

What is Hypertonia?

Hypertonia (abnormal increase in muscle tension and a reduced ability of a muscle to stretch) is found to be associated with 491 drugs and 692 conditions by eHealthMe. Check the latest studies of Hypertonia.

On Jul, 13, 2026

20,995 people reported to have side effects when taking Concerta.
Among them, 11 people (0.05%) have Hypertonia.

Among these 11 people:

What is the gender of people who have Hypertonia when taking Concerta? *

female: 27.27 %
male: 72.73 %

What is the age of people who have Hypertonia when taking Concerta? *

What are other drugs people take besides Concerta? *

What are other side effects people have besides Hypertonia? *

Psychomotor Hyperactivity (feelings of extreme restlessness): 3 people, 27.27%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 3 people, 27.27%
Hyperhidrosis (abnormally increased sweating): 3 people, 27.27%
Movement - Uncoordinated: 3 people, 27.27%
Muscle Rigidity (muscle stiffness): 3 people, 27.27%
Neuroleptic Malignant Syndrome (a life-threatening neurological disorder most often caused by an adverse reaction to neuroleptic or antipsychotic agents): 3 people, 27.27%
Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down): 3 people, 27.27%
Mental Status Changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation): 3 people, 27.27%
Blood Creatine Phosphokinase Increased: 3 people, 27.27%
Sleep Disorder: 3 people, 27.27%

What are the existing conditions these people have? *

Stress And Anxiety: 2 people, 18.18%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 2 people, 18.18%
Psychotic Disorder: 2 people, 18.18%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 1 person, 9.09%
Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 1 person, 9.09%
Abnormal Behavior: 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Concerta and have Hypertonia?

- Check whether Hypertonia is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Concerta:

Concerta (25,040 reports)

Hypertonia treatments and more:

Hypertonia (11,073 reports)

Browse all side effects of Concerta:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Hypertonia:

Hypertonia (491 drugs)

Browse all the conditions that are associated with Hypertonia:

Hypertonia (692 conditions)

Related publications that referenced our studies

How the study uses the data?

The study uses data from the FDA. It is based on methylphenidate hydrochloride (the active ingredients of Concerta) and Concerta (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.